Answer:
=25
Step-by-step explanation:
Answer:
Helen requires 15$ more to buy the three books.
Step-by-step explanation:
We are given the following in the question:
Cost of dictionary = $7
Cost of dinosaur book = $16
Cost of cook book = $17
Helen's allowance = $25
Total cost of three books =

Extra money required to buy three books =

Thus, Helen requires 15$ more to buy the three books.
X= — 1
—
15
This may be the answer
8(4x+6y-2z)
32x+48y-16z
Hope this helps!